Home / 8,680.03-13,020.08-2,440.73

Finding the Fourth Proportional to 8,680.03, 13,020.08 and 2,440.73

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Solution

The fourth proportional to 8,680.03, 13,020.08 and 2,440.73 is: 3,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.03 : 13,020.08 = 2,440.73 : x
  2. Step 2: Convert to fraction form
    8,680.03/13,020.08 = 2,440.73/x
  3. Step 3: Cross multiply
    8,680.03x = 13,020.08 × 2,440.73
  4. Step 4: Simplify right side
    8,680.03x = 31,778,520.20
  5. Step 5: Solve for x
    x = 31,778,520.20/8,680.03
  6. Step 6: Final answer
    x = 3,661.11

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.